We're about to do a major office move, which will involve re-cabling everything in our premises. We're in two floors of a single office building, with 2-4 comms cabinets on each floor; each of these cabinets contains a Catalyst 3560; currently these are all connected to a single "core" switch (also a 3560) that joins everything together. Each floor currently has its own structured cabling setup, with all cabling run back to the patch panel in the cabinet for that floor.
During the move/re-cable, we're going to do away with this setup, cable everything into a single comms rack and move all the switches into there, so I'm wondering about the best way to connect five or six Catalyst 3560s together.
I notice that Cisco sell an SPF interconnect cable for the 3560, but should I go for these? If I'm reading the spec properly, they provide a gigabit connection between two or more Catalysts; why is this better than just connecting two of the standard gigabit ports, or etherchanneling several of them together to provide a multi-gigabit "backbone"?